2 layers111 × 61 mm

KiCad boards from 3 GitHub repositories tagged “cooling”, the most starred first; open any of them in PCBKit.


schnitzeltony/rpi-cool-hat
PCB adapter enabling HATs AND cooler on Raspi

b-wave/Pi_Chassis_Fan_Controller
A small PCB board to interface a 5V, 4-wire fan in a controller cabinet with a Raspberry Pi controller.